Mercurial > octave
view liboctave/numeric/CmplxLU.cc @ 21136:7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Remove statements after call to handler that are no longer reachable.
Place input validation first and immediately call handler if necessary.
Change if/error_handler/else to if/error_handler and re-indent code.
* Array-util.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc,
CNDArray.cc, CRowVector.cc, CSparse.cc, DiagArray2.cc, MArray.cc,
PermMatrix.cc, Sparse.cc, Sparse.h, chMatrix.cc, chNDArray.cc, dColVector.cc,
dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc,
fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc,
fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc,
idx-vector.cc, CmplxAEPBAL.cc, CmplxCHOL.cc, CmplxGEPBAL.cc, CmplxHESS.cc,
CmplxLU.cc, CmplxQR.cc, CmplxSCHUR.cc, CmplxSVD.cc, DASPK.cc, EIG.cc, LSODE.cc,
Quad.cc, SparseCmplxCHOL.cc, SparseCmplxLU.cc, SparseCmplxQR.cc, SparseQR.cc,
SparsedbleCHOL.cc, SparsedbleLU.cc, base-lu.cc, bsxfun-defs.cc, dbleAEPBAL.cc,
dbleCHOL.cc, dbleGEPBAL.cc, dbleHESS.cc, dbleLU.cc, dbleQR.cc, dbleSCHUR.cc,
dbleSVD.cc, eigs-base.cc, fCmplxAEPBAL.cc, fCmplxCHOL.cc, fCmplxLU.cc,
fCmplxQR.cc, fCmplxSCHUR.cc, fEIG.cc, floatAEPBAL.cc, floatCHOL.cc,
floatGEPBAL.cc, floatHESS.cc, floatLU.cc, floatQR.cc, floatSCHUR.cc,
floatSVD.cc, lo-specfun.cc, oct-fftw.cc, oct-rand.cc, oct-spparms.cc,
sparse-base-chol.cc, sparse-dmsolve.cc, file-ops.cc, lo-sysdep.cc,
mach-info.cc, oct-env.cc, oct-syscalls.cc, cmd-edit.cc, cmd-hist.cc,
data-conv.cc, lo-ieee.cc, lo-regexp.cc, oct-base64.cc, oct-shlib.cc,
pathsearch.cc, singleton-cleanup.cc, sparse-util.cc, unwind-prot.cc:
Remove statements after call to handler that are no longer reachable.
Place input validation first and immediately call handler if necessary.
Change if/error_handler/else to if/error_handler and re-indent code.
author | Rik <rik@octave.org> |
---|---|
date | Sat, 23 Jan 2016 13:52:03 -0800 |
parents | a9574e3c6e9e |
children | e2fca7d79169 |
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/* Copyright (C) 1994-2015 John W. Eaton Copyright (C) 2009 VZLU Prague, a.s. This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include "CmplxLU.h" #include "f77-fcn.h" #include "lo-error.h" #include "oct-locbuf.h" #include "CColVector.h" // Instantiate the base LU class for the types we need. #include "base-lu.h" #include "base-lu.cc" template class base_lu <ComplexMatrix>; // Define the constructor for this particular derivation. extern "C" { F77_RET_T F77_FUNC (zgetrf, ZGETRF) (const octave_idx_type&, const octave_idx_type&, Complex*, const octave_idx_type&, octave_idx_type*, octave_idx_type&); #ifdef HAVE_QRUPDATE_LUU F77_RET_T F77_FUNC (zlu1up, ZLU1UP) (const octave_idx_type&, const octave_idx_type&, Complex *, const octave_idx_type&, Complex *, const octave_idx_type&, Complex *, Complex *); F77_RET_T F77_FUNC (zlup1up, ZLUP1UP) (const octave_idx_type&, const octave_idx_type&, Complex *, const octave_idx_type&, Complex *, const octave_idx_type&, octave_idx_type *, const Complex *, const Complex *, Complex *); #endif } ComplexLU::ComplexLU (const ComplexMatrix& a) { octave_idx_type a_nr = a.rows (); octave_idx_type a_nc = a.cols (); octave_idx_type mn = (a_nr < a_nc ? a_nr : a_nc); ipvt.resize (dim_vector (mn, 1)); octave_idx_type *pipvt = ipvt.fortran_vec (); a_fact = a; Complex *tmp_data = a_fact.fortran_vec (); octave_idx_type info = 0; F77_XFCN (zgetrf, ZGETRF, (a_nr, a_nc, tmp_data, a_nr, pipvt, info)); for (octave_idx_type i = 0; i < mn; i++) pipvt[i] -= 1; } #ifdef HAVE_QRUPDATE_LUU void ComplexLU::update (const ComplexColumnVector& u, const ComplexColumnVector& v) { if (packed ()) unpack (); ComplexMatrix& l = l_fact; ComplexMatrix& r = a_fact; octave_idx_type m = l.rows (); octave_idx_type n = r.columns (); octave_idx_type k = l.columns (); if (u.numel () != m || v.numel () != n) (*current_liboctave_error_handler) ("luupdate: dimensions mismatch"); ComplexColumnVector utmp = u; ComplexColumnVector vtmp = v; F77_XFCN (zlu1up, ZLU1UP, (m, n, l.fortran_vec (), m, r.fortran_vec (), k, utmp.fortran_vec (), vtmp.fortran_vec ())); } void ComplexLU::update (const ComplexMatrix& u, const ComplexMatrix& v) { if (packed ()) unpack (); ComplexMatrix& l = l_fact; ComplexMatrix& r = a_fact; octave_idx_type m = l.rows (); octave_idx_type n = r.columns (); octave_idx_type k = l.columns (); if (u.rows () != m || v.rows () != n || u.cols () != v.cols ()) (*current_liboctave_error_handler) ("luupdate: dimensions mismatch"); for (volatile octave_idx_type i = 0; i < u.cols (); i++) { ComplexColumnVector utmp = u.column (i); ComplexColumnVector vtmp = v.column (i); F77_XFCN (zlu1up, ZLU1UP, (m, n, l.fortran_vec (), m, r.fortran_vec (), k, utmp.fortran_vec (), vtmp.fortran_vec ())); } } void ComplexLU::update_piv (const ComplexColumnVector& u, const ComplexColumnVector& v) { if (packed ()) unpack (); ComplexMatrix& l = l_fact; ComplexMatrix& r = a_fact; octave_idx_type m = l.rows (); octave_idx_type n = r.columns (); octave_idx_type k = l.columns (); if (u.numel () != m || v.numel () != n) (*current_liboctave_error_handler) ("luupdate: dimensions mismatch"); ComplexColumnVector utmp = u; ComplexColumnVector vtmp = v; OCTAVE_LOCAL_BUFFER (Complex, w, m); for (octave_idx_type i = 0; i < m; i++) ipvt(i) += 1; // increment F77_XFCN (zlup1up, ZLUP1UP, (m, n, l.fortran_vec (), m, r.fortran_vec (), k, ipvt.fortran_vec (), utmp.data (), vtmp.data (), w)); for (octave_idx_type i = 0; i < m; i++) ipvt(i) -= 1; // decrement } void ComplexLU::update_piv (const ComplexMatrix& u, const ComplexMatrix& v) { if (packed ()) unpack (); ComplexMatrix& l = l_fact; ComplexMatrix& r = a_fact; octave_idx_type m = l.rows (); octave_idx_type n = r.columns (); octave_idx_type k = l.columns (); if (u.rows () != m || v.rows () != n || u.cols () != v.cols ()) (*current_liboctave_error_handler) ("luupdate: dimensions mismatch"); OCTAVE_LOCAL_BUFFER (Complex, w, m); for (octave_idx_type i = 0; i < m; i++) ipvt(i) += 1; // increment for (volatile octave_idx_type i = 0; i < u.cols (); i++) { ComplexColumnVector utmp = u.column (i); ComplexColumnVector vtmp = v.column (i); F77_XFCN (zlup1up, ZLUP1UP, (m, n, l.fortran_vec (), m, r.fortran_vec (), k, ipvt.fortran_vec (), utmp.data (), vtmp.data (), w)); } for (octave_idx_type i = 0; i < m; i++) ipvt(i) -= 1; // decrement } #else void ComplexLU::update (const ComplexColumnVector&, const ComplexColumnVector&) { (*current_liboctave_error_handler) ("luupdate: not available in this version"); } void ComplexLU::update (const ComplexMatrix&, const ComplexMatrix&) { (*current_liboctave_error_handler) ("luupdate: not available in this version"); } void ComplexLU::update_piv (const ComplexColumnVector&, const ComplexColumnVector&) { (*current_liboctave_error_handler) ("luupdate: not available in this version"); } void ComplexLU::update_piv (const ComplexMatrix&, const ComplexMatrix&) { (*current_liboctave_error_handler) ("luupdate: not available in this version"); } #endif